textures

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Packing bitmaps

I am trying to pack font glyph images into a single texture. The bitmaps are 1 byte per pixel monochromatic and I wish to pack them all together onto 1 texture. I am able to calculate the minimum text[详细]

2023-03-19 16:57 分类：问答
How do I fill a grid based shape with tris

I have a shape defined by an array of 2D points (clockwise around the shape) and a height value. The points conform to a grid layout with whole numbers, however there can be negative space in the shap[详细]

2023-03-19 11:10 分类：问答
3D sphere with texture in Canvas (HTML5)

Can we bind texture with Canvas (HTML5) 3D Sphere ? I am referring to this example - http://www.bitstorm.it/blog/en/2011/05/3d-sphere-html5-canvas/[详细]

2023-03-19 01:39 分类：问答
Why is texture memory version of below program slower than global memory version

i am confused why my texture version is slower than my global memory version because the texture version should exploit spatial locality. I am trying to compute the dot product in the below case. Thus[详细]

2023-03-18 23:33 分类：问答
Efficient Random Texture Sampling in OpenGL ES 2.0 [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably ans开发者_C百科wered in its current form. Fo[详细]

2023-03-18 17:26 分类：问答
OpenGL VBO drawing with multitexturing issue

I\'m currently using a VBO to draw a series of cubes in OpenGL using a GLSL shader that performs multitexturing (with 5 textures). It works fine if I don\'t pass th开发者_JS百科e textures in. But if I[详细]

2023-03-18 16:56 分类：问答
How do I use the data from a .png packed in a .jar as a texture in LWJGL?

So I\'m making a basic game in Java开发者_StackOverflow社区 using LWJGL. I have a .png file packed in the .jar that obviously cannot be used for textures while it\'s still inside the .jar. The only wa[详细]

2023-03-18 10:18 分类：问答
Efficiency comparison between invididual textures and a texture sheet in OpenGL ES

It\'s generally regarded that开发者_开发百科 using a big texture \'image\' full of many smaller textures (think font sheets) is faster than having each texture separate. How big is the improvement in[详细]

2023-03-18 06:59 分类：问答
JOGL shimmering / texture flickering problem

i got a problem with my textures in a JOGL program. the textures i draw onto a cube which is taken from a displaylist are flickering.[详细]

2023-03-18 06:05 分类：问答
Android: Resizing RGB_565 textures?

I\'ve currently been trying to optimize my app with RGB_565 textures rather than RGBA_8888 textures. All is well except when I try to re-size these textures? Is there some hard coded reason why I can\[详细]

2023-03-18 05:55 分类：问答